Move over spider silk, there’s a new tough material in town: limpet teeth. For Chemistry World, I give the low down on goethite, the stuff that makes limpet teeth the strongest known biological material.

May 18th I’ll be at the Boathouse pub in Cambridge for a foody night of Pint of Science. I’ll be talking about my visit to the mangrove forests of West Africa where I met an amazing group of women who gather oysters and joined in with their celebrations at the world’s noisiest and most colourful oyster festival.

It was with such sadness – but also happy memories – that I heard about Eugenie Clark passing away. I read her books, was hugely inspired by her stories and had the greatest pleasure meeting her a few years ago. I shared a few thoughts about Genie on BBC Radio 4’s Last Word.